APA (7th ed.) Citation

Rea, W. F. (1973). Livingstone's Rhodesian legacy. History today, 23(9), 633-639.

Chicago Style (17th ed.) Citation

Rea, W. F. "Livingstone's Rhodesian Legacy." History Today 23, no. 9 (1973): 633-639.

MLA (8th ed.) Citation

Rea, W. F. "Livingstone's Rhodesian Legacy." History Today, vol. 23, no. 9, 1973, pp. 633-639.